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19 March, 08:13

Show a correct numerical setup for calculating the

number of moles of CO2 (gram-formula mass =

44 g/mol) present in 11 grams of CO2.

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Answers (1)
  1. 19 March, 12:13
    0
    0.25 moles of CO2 is present in 11 grams of CO2.

    Explanation:

    A mole represents the number of chemical entities in an element or molecule.

    Number of moles of an element or molecule is determined by the formula:

    The Number of moles (n) = weight of the atom given : atomic or molecular weight of the one mole of the element or molecule.

    Themolar mass of one mole of carbon dioxide is:

    12 + (16*2)

    = 44 gram/mole

    The given weight is 44 grams of carbon dioxide.

    Putting the values in the equation,

    n = 11 gms:44 gms / mole

    n = 0.25 mole
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